Few improvements such as

application.properties.prod file
new DTO for response when adding notice

src/main/java/_11/asktpk/artisanconnectbackend/controller/ImageController.java

@@ -77,8 +77,12 @@ public class ImageController {
         return ResponseEntity.ok(result);
     }
 
-    @DeleteMapping("/delete/{id}")
-    public ResponseEntity<RequestResponseDTO> deleteImage(@PathVariable("id") String filename) {
+    @DeleteMapping("/delete/{filename}")
+    public ResponseEntity<RequestResponseDTO> deleteImage(@PathVariable("filename") String filename) {
+        if(filename == null) {
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new RequestResponseDTO("Filename is empty."));
+        }
+
         try {
             imageService.deleteImage(uploadDir, filename);
             return ResponseEntity.status(HttpStatus.OK).body(new RequestResponseDTO("Image deleted successfully."));

src/main/java/_11/asktpk/artisanconnectbackend/controller/NoticeController.java

@@ -1,5 +1,6 @@
 package _11.asktpk.artisanconnectbackend.controller;
 
+import _11.asktpk.artisanconnectbackend.dto.NoticeAdditionDTO;
 import _11.asktpk.artisanconnectbackend.service.ClientService;
 import _11.asktpk.artisanconnectbackend.service.NoticeService;
 import _11.asktpk.artisanconnectbackend.dto.NoticeDTO;
@@ -37,22 +38,22 @@ public class NoticeController {
     }
 
     @PostMapping("/add")
-    public ResponseEntity<String> addNotice(@RequestBody NoticeDTO dto) {
+    public ResponseEntity<NoticeAdditionDTO> addNotice(@RequestBody NoticeDTO dto) {
         if (!clientService.clientExists(dto.getClientId())) {
             return ResponseEntity
                     .status(HttpStatus.BAD_REQUEST)
-                    .body("Nie znaleziono klienta o ID: " + dto.getClientId());
+                    .body(new NoticeAdditionDTO("Nie znaleziono klienta o ID: " + dto.getClientId()));
         }
 
         if (dto.getCategory() == null) {
-            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Nie ma takiej kategorii");
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new NoticeAdditionDTO("Nie ma takiej kategorii"));
         }
 
         dto.setPublishDate(java.time.LocalDateTime.now());
 
-        noticeService.addNotice(dto);
+        Long newNoticeId = noticeService.addNotice(dto);
 
-        return ResponseEntity.status(HttpStatus.CREATED).body("Dodano ogłoszenie.");
+        return ResponseEntity.status(HttpStatus.CREATED).body(new NoticeAdditionDTO(newNoticeId ,"Dodano ogłoszenie."));
     }
 
 

src/main/java/_11/asktpk/artisanconnectbackend/dto/NoticeAdditionDTO.java

@@ -0,0 +1,19 @@
+package _11.asktpk.artisanconnectbackend.dto;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter @Setter
+public class NoticeAdditionDTO {
+    public Long noticeId;
+    public String message;
+
+    public NoticeAdditionDTO(String message) {
+        this.message = message;
+    }
+
+    public NoticeAdditionDTO(Long noticeId, String message) {
+        this.noticeId = noticeId;
+        this.message = message;
+    }
+}

src/main/java/_11/asktpk/artisanconnectbackend/repository/ImageRepository.java

@@ -7,4 +7,8 @@ import java.util.List;
 
 public interface ImageRepository extends JpaRepository<Image, Long> {
     List<Image> findByNoticeId(Long noticeId);
+
+    boolean existsImageByImageNameEqualsIgnoreCase(String imageName);
+
+    void deleteByImageNameEquals(String imageName);
 }

src/main/java/_11/asktpk/artisanconnectbackend/service/ImageService.java

@@ -5,6 +5,7 @@ import _11.asktpk.artisanconnectbackend.repository.ImageRepository;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.UrlResource;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
@@ -17,6 +18,7 @@ import java.util.UUID;
 import java.util.stream.Collectors;
 
 @Service
+@Transactional
 public class ImageService {
     private final ImageRepository imageRepository;
 
@@ -63,6 +65,8 @@ public class ImageService {
     public void deleteImage(String imageDirectory, String imageName) throws IOException {
         Path imagePath = Path.of(imageDirectory, imageName);
 
+        deleteImageRecordFromDB(imageName);
+
         if (Files.exists(imagePath)) {
             Files.delete(imagePath);
         } else {
@@ -80,4 +84,10 @@ public class ImageService {
                 .map(Image::getImageName)
                 .collect(Collectors.toList());
     }
+
+    public void deleteImageRecordFromDB(String imageName) {
+        if(imageRepository.existsImageByImageNameEqualsIgnoreCase(imageName)) {
+            imageRepository.deleteByImageNameEquals(imageName);
+        }
+    }
 }

src/main/java/_11/asktpk/artisanconnectbackend/service/NoticeService.java

@@ -68,8 +68,8 @@ public class NoticeService {
         return toDTO(notice);
     }
 
-    public void addNotice(NoticeDTO dto) {
-        noticeRepository.save(fromDTO(dto));
+    public Long addNotice(NoticeDTO dto) {
+        return noticeRepository.save(fromDTO(dto)).getIdNotice();
     }
 
     public boolean noticeExists(Long id) {

src/main/resources/application.properties

@@ -15,5 +15,5 @@ spring.jpa.defer-datasource-initialization=true
 spring.jpa.hibernate.ddl-auto=create-drop
 
 file.upload-dir=/Users/andsol/Desktop/uploads
-spring.servlet.multipart.max-file-size=5MB
-spring.servlet.multipart.max-request-size=5MB
+spring.servlet.multipart.max-file-size=10MB
+spring.servlet.multipart.max-request-size=10MB

src/main/resources/application.properties.prod

@@ -0,0 +1,20 @@
+spring.application.name=ArtisanConnectBackend
+
+## PostgreSQL
+spring.datasource.url=jdbc:postgresql://db:5432/postgres
+spring.datasource.driver-class-name=org.postgresql.Driver
+spring.datasource.username=postgres
+spring.datasource.password=postgres
+
+#initial data for db injection
+spring.sql.init.data-locations=classpath:sql/data.sql
+spring.sql.init.mode=always
+spring.jpa.defer-datasource-initialization=true
+
+# create and drop table, good for testing, production set to none or comment it
+spring.jpa.hibernate.ddl-auto=update
+
+#file.upload-dir=/Users/andsol/Desktop/uploads
+file.upload-dir=/app/images
+spring.servlet.multipart.max-file-size=10MB
+spring.servlet.multipart.max-request-size=10MB